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Finding the Fourth Proportional to 297,996.36, 446,990.76 and 73,359.60

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Solution

The fourth proportional to 297,996.36, 446,990.76 and 73,359.60 is: 110,038.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,996.36 : 446,990.76 = 73,359.60 : x
  2. Step 2: Convert to fraction form
    297,996.36/446,990.76 = 73,359.60/x
  3. Step 3: Cross multiply
    297,996.36x = 446,990.76 × 73,359.60
  4. Step 4: Simplify right side
    297,996.36x = 32,791,063,357.30
  5. Step 5: Solve for x
    x = 32,791,063,357.30/297,996.36
  6. Step 6: Final answer
    x = 110,038.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.